Research Progress of Transgenic Maize in China Based on Bibliometrics Maize Genetic Transformation Mediated by Agrobacterium tume faciens and Optimization of the Differentiation and Rhizogenesis Conditions Construction and Application of a Reference Plasmid Molecule Suitable for phyA2 of Phytase Transgenic Maize Developing a Method of Oligonucleotide Microarray for Event Specific Detection of Transgenic Maize(Zea mays Seedling physiological characteristics of genetically modified maize variety with dwarf mosaic virus resistant genes and its parent Effects of maize straw with Bt gene return to field on growth of wheat seedlings